CVE-2026-125389

MEDIUMCVSS 6.1/10

Last modified

CVE-2026-125389 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened..

Description

Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
IntermeshGroup-Office< 6.8.181; >= 25.0.0, < 25.0.116; >= 26.0.0, < 26.0.58

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-125389?
Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened.
How severe is CVE-2026-125389?
CVE-2026-125389 has a CVSS score of 6.1/10 (MEDIUM severity).
How do I fix CVE-2026-125389?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST